... discusses the background, the scientific and practical significance, and the objectives of the research project Chapter Literature review 1.1 The fungi, insects harmful and the role of plant protection ... isolated and identified These are the first announcements about the genome of endogenous fungal strains on the Vietnamese C longa L and P betle L plants in Vietnam 30 Extracts of leaves and bark of the ... determining the structure of component organic compounds Testing of insecticidal and fungal activity of extracts and component organic compounds New contributions of the dissertation 3.1 For the first
Ngày tải lên: 09/01/2020, 14:59
... activity of the TiO2N-Mg catalyst samples Recently, there are not many studies in codoping two elements on TiO2, particularly the elements N and Mg The results of this study and the works of the authors ... effect and activity of the catalysts increased 1.5- 1.6 times compared with pure TiO2 By contrast, in the reverse order (first Mg then N) the inhibited effect was observed and the catalytic activity ... (the band gap) will allow the use of extensible optical performance beyond the ultraviolet to the visible range (UV-VIS) of solar energy patterns; (ii) preventing the recombination of e-CB and
Ngày tải lên: 13/01/2020, 04:11
Identification and antimicrobial activity of actinomycetes strains isolated from marine samples in the coastal area of Thanh Hoa – Quang Binh – Quang Tri
... because of emergence of multidrug resistance in common pathogens, the rapid emergence of new infections and the use of multidrug resistant pathogens in bioterrorism [2] Resistance of bacteria to the ... strains From the results of screening, we chose strains of actinomycetes that have the highest biological activity (Code: G212, G222, G233, G227 and G241) (Table 1) Table shows the results of the screening ... characteristics of these isolates were consistent with their classification in the genus [22] Figure 2.Morphological appearance of isolates The colors of the substrate mycelium were vivid orange (G241) and
Ngày tải lên: 14/01/2020, 03:35
Profile of susceptibility to antimicrobials and antagonist activity of lactic acid bacteria with probiotic potential isolated from artisanal coalho cheese of the Sertão region of the state
... Streptococcus spp on the growth of a pathogenic strain of E coli The results of the antagonist activity of the lactic acid bacteria in the face of the indicator microorganism of the Gram-positive ... Materials and Methods Obtention of the strains The bacterial strains were acquired from the collection of the Microbiology Laboratory of the Academic Unit of Biological Sciences (UACB) of the Health and ... degree of turbidity similar to the standard 0.5 of the MacFarland Scale (108UFC/mL), then, 15µL of the inoculum were pipetted in filter paper discs Subsequently, with the aid of a sterile swab, the
Ngày tải lên: 14/01/2020, 03:53
The difference of solvent polarity to qualitative and quantitative Phytochemical contents and antioxidant activity of Ficus Roxburghii wall. leaves and fruits extracts
... and expressed as mg GAE/gm of the dry weight of the extract The content of phenolics varied among different extracting solvents used The result of total phenolics of Ficus roxburghii leaves and ... compounds are used for the prevention and cure of many diseases They are capable of effectively scavenging the reactive O2 species because of their phenolic hydroxyl groups and so they are potent antioxidants ... from the fact that they can act as a screen absorbing UV radiation and, as they are accumulated mainly in the epidermis and hypodermis of leaves and stems, apical meristem and pollen, reducing the
Ngày tải lên: 14/01/2020, 13:43
Identification and antimicrobial activity of actinomycetes strains isolated from marine samples in the coastal area of Thanh Hoa – Quang Binh – Quang Tri
... because of emergence of multidrug resistance in common pathogens, the rapid emergence of new infections and the use of multidrug resistant pathogens in bioterrorism [2] Resistance of bacteria to the ... strains From the results of screening, we chose strains of actinomycetes that have the highest biological activity (Code: G212, G222, G233, G227 and G241) (Table 1) Table shows the results of the screening ... characteristics of these isolates were consistent with their classification in the genus [22] Figure 2.Morphological appearance of isolates The colors of the substrate mycelium were vivid orange (G241) and
Ngày tải lên: 03/03/2020, 20:57
Variation in tissue Na+ content and the activity of SOS1 genes among two species and two related genera of Chrysanthemum
... contribution of the four SOS1s homologs in salt tolerance and to understand the basis of the observed variation in the activity of the AjSOS1 alleles Conclusions In summary, in the four chrysanthemum and ... JG and LR analysed the data JG drafted the manuscript; SC and JJ edited and revised the manuscript; FC and JJ conceived the study and designed the experiments All authors read and approved the ... CmSOS1 encode amino acid relative to the same ones of the other three SOS1s, and of which six were located in the membrane-spanning region and the other thirteen in the hydrophilic tail (Fig 3) When
Ngày tải lên: 22/05/2020, 04:20
Effects of simulated digestion on the phenolic composition and antioxidant activity of different cultivars of lychee pericarp
... others found it will decrease [25] There are few reports on the effects of simulated digestion on the phenolic compounds and antioxidant activities of lychee pericarp Therefore, the aim of the ... study is to compare the influence of SGF and SIF digestion on the composition and content of phenolic substances of six varieties of lychee pericarps, and to explore the change of phenolic compounds ... than those of the DW group Among the different treatments, “Lizhiwang” had the highest TFC, and “Guihong” followed Among the different treatments, the content ranking of the TFC and TPC of lychee
Ngày tải lên: 29/05/2020, 12:25
Compositional difference in antioxidant and antibacterial activity of all parts of the Carica papaya using different solvents
... knows the nutritional values of the vegetables and fruits in sense of maintaining the health and preventing the diseases because of vitamins and some special compounds Yes; they are true in their ... reducing the risk of chronic disease The results of these investigations concluded if a person who set the fruits and vegetables a necessary part of his diet could reduce >50 % the risk of oxidative ... polarity of solvents and various compounds present in different parts of the C papaya The highest yield was obtained by the aqueous solvent; 29/100 g dry powder of roots and 28/100 g dry powder of
Ngày tải lên: 29/05/2020, 14:07
Tiamulin inhibits breast cancer growth and pulmonary metastasis by decreasing the activity of CD73
... h of incubation, Matrigel Matrix and cells in the upper chamber were removed carefully, and then cells adhering to the lower surface of the membrane were counted To investigate the relevance of ... expression of CD73 To further explore the mechanisms involved in the effect of THF on CD73, we measured the activity and expression of CD73 in MDA-MB-231 and T1 cells Compared with the controls, THF ... significantly decreased the activity of CD73 in both cells in a dose dependent manner (Fig 3a and b) At the concentration of 12.5 μg/mL, THF Page of 12 inhibited the activity of CD73 by 53.89% in
Ngày tải lên: 19/09/2020, 21:48
Plantamajoside, a potential anti-tumor herbal medicine inhibits breast cancer growth and pulmonary metastasis by decreasing the activity of matrix metalloproteinase-9 and -2
... on the profound understanding of the role of MMPs in tumor microenvironment, tumor growth and metastasis Since MMP9 and MMP2 regulate tumor microenvironment and tumor metastasis, in theory, the ... proteinase which can regulate the functions of various protein [14] Furthermore, the substitutes and products of MMPs can also been seen as the target of cancer treatment All of these researches on cancer ... U.S.A) The activity of MMP9 was direct proportional to OD 2000 2000 1000 *** *** 1000 0 Con PMS Con PMS Fig Plantamajoside(PMS) affects the activity of MMP9 and MMP2 a A diagram of the structure of
Ngày tải lên: 22/09/2020, 22:59
Chemical composition and antimicrobial activity of the essential oil from leaves of Magnolia coriacea (Hung T. Chang & B. L. Chen) Figlar growing in Vietnam
... 12.6% and 17.0% of oil concentration The most abundant minor components were; cis-βelemene (5.11%) and humulene epoxide II (5.4%) The rest of the identified components of the leaf essential oil of ... principle of hydrodistilation was based on Ministry of Health (2009) Then, essential oil was separated and stored at (-)5 oC until analysis Microbial strains The antimicrobial activity of the essential ... Analysis Average and standard seviation values of diameters of microorganism inhibition zone in the test were calculated using software Excel RESULTS AND DISCUSSION Chemical composition of Magnolia
Ngày tải lên: 27/09/2020, 13:34
Targeting connexin 43 with α–connexin carboxyl-terminal (ACT1) peptide enhances the activity of the targeted inhibitors, tamoxifen and lapatinib, in breast cancer: Clinical implication for
... distribution and activity of Cx43 using ACT1 is effective in breast cancer Furthermore, ACT1 enhances the activity of the targeted therapies, tamoxifen and lapatinib, supporting the clinical potential of ... S262) in the C-terminal domain of Cx43 and depending on the site of phosphorylation, these processes contribute to conformational changes and the formation or disruption of gap junctions and gap ... reduction of cells was seen in the cells treated with the combination of ACT1 and lapatinib, with the most prominent difference at 50 nM of lapatinib treatment (Figure 5A) We next tested the effect of
Ngày tải lên: 30/09/2020, 12:32
The relation between fault movement potential and seismic activity of major faults in northwestern vietnam
... tectonic stress field (), the geometry characteristics of faults (G) and the physical properties of the medium inside and on the faults (P) FMP is a function of these parameters and expressed as follows: ... the result of the elastic rebound of previously accumulated elastic strain energy in the rocks on either side of the fault under the effect of the regional tectonic stress field Thus, the condition ... Detail map of the movement potential of faults and the seismic activity in Dien Bien Phu and Tuan Giao areas Despite these limitations, the calculated results of FMP in this study provide the information
Ngày tải lên: 14/10/2022, 13:51
Antimicrobial and Antibiofilm Activity of Chitosan on the Oral Pathogen Candida albicans
... the results obtained for the ẵ and ẳ of the MIC of both MWs, no statistically significant (p > 0.05) differences were found when considering the effect of the MW upon chitosan’s activity On the ... Chitin is the primary structural component of the shells of crustaceans, arthropods and the fungal cell wall and is obtained mainly as a byproduct of the fishing industry Partial deacetylation of chitin ... candidiasis; Candida albicans; chitosan; biofilm; antibiofilm Introduction Since the 1970s, there has been an increase in candidiasis incidence, mostly due to the use of plastic permanent catheters,
Ngày tải lên: 19/11/2022, 11:38
effects of serpentinite fertilizer on the chemical properties and enzyme activity of young spruce soils
... substantial share of the nickel released in the course of the weathering of serpentinite delivered to the soil is absorbed in the surface horizon, and only small amounts enter the full soil profile (Table ... fertilization The aim of this study was to assess the effect of serpentinite fertilization enriched with N, P, and K fertilizers on selected chemical properties of the soil and the activity of dehydrogenase ... result of the use of the superphosphate fertilizer One year following the fertilization of the Ofh horizon, the phosphorus content increased in the fertilizer variants with P in relation to the
Ngày tải lên: 24/11/2022, 17:48
Báo cáo khoa học: nNOS inhibition, antimicrobial and anticancer activity of the amphibian skin peptide, citropin 1.1 and synthetic modifications pot
... reflect the poorly defined nature of the first turn of the a-helix due to the lack of hydrogen bonds to their NH protons Comparison of the observed NH chemical shifts of A4K14-citropin 1.1 with the ... anticancer and antibacterial activity of membrane active peptides, suggests that the anticancer activity is also due to penetration and disruption of the membranes of the cancer cells The selectivity of ... cytotoxic to the frog as after about 10 of exposure on the skin a further endoprotease removes the first two residues of the peptide destroying the antibiotic (and anticancer) activity [9] The solution...
Ngày tải lên: 17/03/2014, 09:20
Báo cáo khoa học: The starch-binding capacity of the noncatalytic SBD2 region and the interaction between the N- and C-terminal domains are involved in the modulation of the activity of starch synthase III fromArabidopsis thaliana pdf
... capacity and also modulating the catalytic properties of the enzyme [19] To extend the information about the role of the noncatalytic SBD regions and their effect on the C-terminal CD, we further ... showing a lack of interaction for the individual SBDs and also in the absence of the D(316–344) and D(495–535) regions of the D2 and D3 domains, respectively Kinetic parameters of co-purified recombinant ... D(495–535) for the interaction between the N-terminal SBDs and CD Our data also show that the full integrity of the starch-binding capacity, particularly of the D2 domain, modulates the activity of SSIII...
Ngày tải lên: 22/03/2014, 21:20
Báo cáo khoa học: A novel splicing variant form suppresses the activity of full-length signal transducer and activator of transcription 5A pot
... functions The physiological role of STAT5A_DE18 may involve the regulation of STAT5 function in the brainstem, considering that STAT5A_DE18 suppresses the activity of STAT5 The functions of STAT5 in the ... STAT5A_DE18 and a 439 bp fragment for STAT5A_FL The PCR product of STAT5A_FL was detected in multiple tissues, such as the cerebrum, kidney, and liver (Fig 1B) On the other hand, the PCR product of STAT5A_DE18 ... STAT4, STAT5A and STAT5B mRNAs are alternatively spliced at the 3¢-end, resulting in the production of b-isoforms truncated at the transactivation domain STAT5A b-isoforms and STAT5B b-isoforms are...
Ngày tải lên: 23/03/2014, 04:20
Báo cáo Y học: Synthesis, conformational analysis and biological activity of cyclic analogs of the octadecaneuropeptide ODN Design of a potent endozepine antagonist pot
... ligands [13,14,27] The Ala-scan of OP has revealed that the side chain of each residue is required for the full activity of the peptide [12] These data led us to synthesize cyclic analogs of ... Furthermore, the analysis of the calculated structures revealed a short distances between NH of Leu7 and the side chain carboxyl group of the Asp6 residue (< 0.28 nm), and NH of Leu7 residue and ... Characterization of the secondary structure of these two ligands of ODN receptors should provide useful information for the design of potent, stable and selective agonists and antagonists of these receptors...
Ngày tải lên: 24/03/2014, 04:21